Zend: Add test disabling assert() function

Zend/tests/assert/disable_assert_function.phpt

@@ -0,0 +1,15 @@
+--TEST--
+Use disable_functions INI setting to disable assert()
+--INI--
+zend.assertions=1
+disable_functions=assert
+--FILE--
+<?php
+try {
+    assert(false && "Is this evaluated?");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+?>
+--EXPECT--
+Error: Call to undefined function assert()